projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| f67539c2 TL |
1 | /* SPDX-License-Identifier: BSD-3-Clause |
| 2 | * Copyright(c) 2018-2019 Hisilicon Limited. | |
| 3 | */ | |
| 4 | ||
| 5 | #ifndef _HNS3_RSS_H_ | |
| 6 | #define _HNS3_RSS_H_ | |
| 7 | #include <rte_ethdev.h> | |
| 8 | #include <rte_flow.h> | |
| 9 | ||
| 10 | #define HNS3_ETH_RSS_SUPPORT ( \ | |
| 11 | ETH_RSS_FRAG_IPV4 | \ | |
| 12 | ETH_RSS_NONFRAG_IPV4_TCP | \ | |
| 13 | ETH_RSS_NONFRAG_IPV4_UDP | \ | |
| 14 | ETH_RSS_NONFRAG_IPV4_SCTP | \ | |
| 15 | ETH_RSS_NONFRAG_IPV4_OTHER | \ | |
| 16 | ETH_RSS_FRAG_IPV6 | \ | |
| 17 | ETH_RSS_NONFRAG_IPV6_TCP | \ | |
| 18 | ETH_RSS_NONFRAG_IPV6_UDP | \ | |
| 19 | ETH_RSS_NONFRAG_IPV6_SCTP | \ | |
| 20 | ETH_RSS_NONFRAG_IPV6_OTHER) | |
| 21 | ||
| 22 | #define HNS3_RSS_IND_TBL_SIZE 512 /* The size of hash lookup table */ | |
| 23 | #define HNS3_RSS_KEY_SIZE 40 | |
| 24 | #define HNS3_RSS_CFG_TBL_NUM \ | |
| 25 | (HNS3_RSS_IND_TBL_SIZE / HNS3_RSS_CFG_TBL_SIZE) | |
| 26 | #define HNS3_RSS_SET_BITMAP_MSK 0xffff | |
| 27 | ||
| 28 | #define HNS3_RSS_HASH_ALGO_TOEPLITZ 0 | |
| 29 | #define HNS3_RSS_HASH_ALGO_SIMPLE 1 | |
| 30 | #define HNS3_RSS_HASH_ALGO_MASK 0xf | |
| 31 | ||
| 32 | #define HNS3_RSS_INPUT_TUPLE_OTHER GENMASK(3, 0) | |
| 33 | #define HNS3_RSS_INPUT_TUPLE_SCTP GENMASK(4, 0) | |
| 34 | #define HNS3_IP_FRAG_BIT_MASK GENMASK(3, 2) | |
| 35 | #define HNS3_IP_OTHER_BIT_MASK GENMASK(1, 0) | |
| 36 | ||
| 37 | struct hns3_rss_tuple_cfg { | |
| 38 | uint8_t ipv4_tcp_en; /* Bit8.0~8.3 */ | |
| 39 | uint8_t ipv4_udp_en; /* Bit9.0~9.3 */ | |
| 40 | uint8_t ipv4_sctp_en; /* Bit10.0~10.4 */ | |
| 41 | uint8_t ipv4_fragment_en; /* Bit11.0~11.3 */ | |
| 42 | uint8_t ipv6_tcp_en; /* Bit12.0~12.3 */ | |
| 43 | uint8_t ipv6_udp_en; /* Bit13.0~13.3 */ | |
| 44 | uint8_t ipv6_sctp_en; /* Bit14.0~14.4 */ | |
| 45 | uint8_t ipv6_fragment_en; /* Bit15.0~15.3 */ | |
| 46 | }; | |
| 47 | ||
| 48 | #define HNS3_RSS_QUEUES_BUFFER_NUM 64 /* Same as the Max rx/tx queue num */ | |
| 49 | struct hns3_rss_conf { | |
| 50 | /* RSS parameters :algorithm, flow_types, key, queue */ | |
| 51 | struct rte_flow_action_rss conf; | |
| 52 | uint8_t key[HNS3_RSS_KEY_SIZE]; /* Hash key */ | |
| 53 | struct hns3_rss_tuple_cfg rss_tuple_sets; | |
| 54 | uint8_t rss_indirection_tbl[HNS3_RSS_IND_TBL_SIZE]; /* Shadow table */ | |
| 55 | uint16_t queue[HNS3_RSS_QUEUES_BUFFER_NUM]; /* Queues indices to use */ | |
| 56 | }; | |
| 57 | ||
| 58 | #ifndef ilog2 | |
| 59 | static inline int rss_ilog2(uint32_t x) | |
| 60 | { | |
| 61 | int log = 0; | |
| 62 | x >>= 1; | |
| 63 | ||
| 64 | while (x) { | |
| 65 | log++; | |
| 66 | x >>= 1; | |
| 67 | } | |
| 68 | return log; | |
| 69 | } | |
| 70 | #define ilog2(x) rss_ilog2(x) | |
| 71 | #endif | |
| 72 | ||
| 73 | static inline uint32_t fls(uint32_t x) | |
| 74 | { | |
| 75 | uint32_t position; | |
| 76 | uint32_t i; | |
| 77 | ||
| 78 | if (x == 0) | |
| 79 | return 0; | |
| 80 | ||
| 81 | for (i = (x >> 1), position = 0; i != 0; ++position) | |
| 82 | i >>= 1; | |
| 83 | ||
| 84 | return position + 1; | |
| 85 | } | |
| 86 | ||
| 87 | static inline uint32_t roundup_pow_of_two(uint32_t x) | |
| 88 | { | |
| 89 | return 1UL << fls(x - 1); | |
| 90 | } | |
| 91 | ||
| 92 | struct hns3_adapter; | |
| 93 | ||
| 94 | int hns3_dev_rss_hash_update(struct rte_eth_dev *dev, | |
| 95 | struct rte_eth_rss_conf *rss_conf); | |
| 96 | int hns3_dev_rss_hash_conf_get(struct rte_eth_dev *dev, | |
| 97 | struct rte_eth_rss_conf *rss_conf); | |
| 98 | int hns3_dev_rss_reta_update(struct rte_eth_dev *dev, | |
| 99 | struct rte_eth_rss_reta_entry64 *reta_conf, | |
| 100 | uint16_t reta_size); | |
| 101 | int hns3_dev_rss_reta_query(struct rte_eth_dev *dev, | |
| 102 | struct rte_eth_rss_reta_entry64 *reta_conf, | |
| 103 | uint16_t reta_size); | |
| 104 | void hns3_set_default_rss_args(struct hns3_hw *hw); | |
| 105 | int hns3_set_rss_indir_table(struct hns3_hw *hw, uint8_t *indir, uint16_t size); | |
| 106 | int hns3_rss_reset_indir_table(struct hns3_hw *hw); | |
| 107 | int hns3_config_rss(struct hns3_adapter *hns); | |
| 108 | void hns3_rss_uninit(struct hns3_adapter *hns); | |
| 109 | int hns3_set_rss_tuple_by_rss_hf(struct hns3_hw *hw, | |
| 110 | struct hns3_rss_tuple_cfg *tuple, | |
| 111 | uint64_t rss_hf); | |
| 112 | int hns3_set_rss_algo_key(struct hns3_hw *hw, uint8_t hash_algo, | |
| 113 | const uint8_t *key); | |
| 114 | int hns3_restore_rss_filter(struct rte_eth_dev *dev); | |
| 115 | ||
| 116 | #endif /* _HNS3_RSS_H_ */ |